Rasch scalability of the somatosensory amplification scale: a mixture distribution approach.

@article{Jasper2013RaschSO,
  title={Rasch scalability of the somatosensory amplification scale: a mixture distribution approach.},
  author={Fabian Jasper and Urs M Nater and Wolfgang Hiller and Ulrike Ehlert and Susanne Fischer and Michael Witth{\"o}ft},
  journal={Journal of psychosomatic research},
  year={2013},
  volume={74 6},
  pages={469-78}
}
OBJECTIVE Somatosensory amplification refers to a person's tendency to experience somatic sensations as inappropriately intense and involves hypervigilance concerning bodily sensations. We applied the Somatosensory Amplification Scale (SSAS) in an Internet sample of young adults (N=3031) to test whether the SSAS is Rasch scalable. METHODS We applied mixture distribution extensions of the partial credit and rating scale models to identify possible subgroups that use the response set of the… CONTINUE READING

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